Priority-based channel access system and method for low-power wide-area communication networks in ultra-high density sensor environments

The priority-based channel access system addresses interference and infrastructure costs in high-density sensor networks by managing network resources and prioritizing data transmission, enhancing reliability and stability.

WO2026111368A1PCT designated stage Publication Date: 2026-05-28SLENO CO LTD
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Patent Information

Application Number
PCT/KR2025/019068
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-21
Filing Date
2025-11-18
Publication Date
2026-05-28

AI Technical Summary

Technical Problem

In ultra-high-density sensor environments, conventional low-power wide-area communication networks face reliability issues due to interference and high infrastructure costs, exacerbated by simultaneous connections causing network quality deterioration, especially during power restoration.

Method used

A priority-based channel access system using resource reservation and competitive channel access technologies to manage network resources, ensuring high-priority data transmission and resource allocation based on service priority, reducing interference and maintaining network stability.

Benefits of technology

The system enhances communication reliability and reduces network congestion by prioritizing data transmission and resource allocation, ensuring stable network performance even in high-density sensor environments.

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Abstract

The present invention relates to a priority-based channel access system and method for low-power wide-area communication networks in ultra-high density sensor environments, the system comprising: a sensor unit for sensing a surrounding environment; a node terminal unit that is connected to the sensor unit and transmits sensing data to a network controller through a gateway unit; the gateway unit for relaying communication between the node terminal unit and the network controller; the network controller unit that controls the node terminal unit and the gateway unit and transmits and receives data through communication; and a management server unit for providing a service on the basis of the data collected in the network controller.
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Citation Information

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